Same-model Comparison
Explore products that share a base designation across loaded brands, with dimensional agreement and data gaps shown clearly.
Cross Reference centre · Interchange verification checklist · Understand suffix differences
You entered 1988-1931. This table explores the base group 1988; it does not preserve or approve every requested suffix. Search your complete marking first →
One base designation across loaded brands
Exact designations rank first. Dimensions, suffixes and other technical differences remain visible so the result is not mistaken for an interchangeability declaration.
“1988” across 3 loaded brands
The base designation is shared, but the loaded boundary dimensions do not agree. Use Custom Compare when you want to choose exact suffix variants yourself.
Brand differences at a glance
| Parameter | SKF1988/1922/Q28.575 × 57.15 × mm | TIMKEN1988 / 192228.575 × 57.15 × 19.845 mm | KOYO1988R/2228.575 × 57.15 × 19.355 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | SKF | TIMKEN | KOYO |
| Designation | 1988/1922/Q | 1988 / 1922 | 1988R/22 |
| Product family | Tapered roller bearings | TS - Tapered Single | Single-row / Inch series |
| Detailed type | Single row tapered roller bearing | Tapered roller bearings | Tapered roller bearings |
| Series | — | 1900 | — |
| Bore diameterd | 28.575 mm | 28.575 mm | 28.575 mm |
| Outside diameterD | 57.15 mm | 57.15 mm | 57.15 mm |
| WidthB | — | 19.845 mm | 19.355 mm |
| Basic dynamic load ratingC | 47.3 kN | 48.4 kN | 60.8 kN |
| Basic static load ratingC0 | 55 kN | 50.2 kN | 57.1 kN |
| Fatigue load limitPu | — | — | 8.25 kN |
| Reference speednref | 9000 r/min | — | — |
| Limiting speednG | 12000 r/min | — | 7000 r/min |
| Mass≈m | 0.218 kg | 0.22 kg | 0.227 kg |
| Precision class | — | ABMA Class 2 | — |
| Sealing | Without | Open | — |
| Cage | Sheet metal | Steel cage | — |
| Lubricant | None | — | — |
| Calculation Factors | |||
| K Factor | — | 1.77 | — |
| Y1 Factor | — | 1.82 | — |
| Y2 Factor | — | 0.00 | — |
| Y0 Factor | — | 1.00 | — |
| E Factor | — | 0.33 | — |
| Cg Factor | — | 0.0565 | — |
| Classification | |||
| Official Category Path | — | — | Tapered roller bearings - Single-row - Inch series |
| Official Classification 1 | — | — | Tapered roller bearings / Single-row / Inch series |
| Dimensions | |||
| Width, total | 19.845 mm | — | — |
| Width, inner ring | 19.355 mm | — | — |
| Width, outer ring | 15.875 mm | — | — |
| Contact angle | 12.4 ° | — | — |
| Logistics | |||
| Product net weight | 0.218 kg | — | — |
| eClass code | 23-05-09-10 | — | — |
| UNSPSC code | 31171516 | — | — |
| Manufacturer Identity | |||
| Material Number | — | 000000000100157523 | — |
| Official Class Key | — | — | 050-010-020 |
| World Assembly Part Number | — | 1988_1922 | — |
| Inner Ring Part Number | — | 1988 | — |
| Outer Ring Part Number | — | 1922 | — |
| Drawing Number | — | A-32078 | — |
| Upc | — | 0053893663951 | — |
| Official Source System | — | CORE BP - DS DF | — |
| Official Last Run | — | 2026-08-23T20:02:47.153 | — |
| Product identity | |||
| Official product category | Tapered roller bearings | — | — |
| Official taxonomy path | /products/rolling-bearings/roller-bearings/tapered-roller-bearings/single-row-tapered-roller-bearings | — | — |
| Structure group ID | BT1_001_101 | — | — |
| Available from SKF | Yes | — | — |
| Remanufacturable | No | — | — |
| Product Identity | |||
| Type Description | — | TS - Tapered Single | — |
| Construction | — | Single Row Tapered Roller Bearing Assembly | Imperial Series | 1.1250 in Bore | 2.2500 in OD | 0.7813 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 2 | — |
| Number Of Rows | 1 | 1 | — |
| Tapered Bore | — | N | — |
| Properties | |||
| Bearing part | Complete bearing | — | — |
| Locating feature, bearing outer ring | Without | — | — |
| Bore type | Cylindrical | — | — |
| Arrangement of contact angle (double-row bearing) | Not applicable | — | — |
| Matched arrangement | No | — | — |
| Coating | Without | — | — |
| Relubrication feature | Without | — | — |
| Unit system | Inch | — | — |
| Indicative carbon footprint for new product | 0.81 kg CO 2 e | — | — |
| Technical Data | |||
| d | — | — | 57.150 mm |
| T | — | — | 19.845 mm |
| B | — | — | 19.355 mm |
| C | — | — | 15.875 mm |
| Overall Width | — | 21.355 mm | — |
| R(Min.) | — | — | 3.6 mm |
| Radial Rating | — | 12,500 N | — |
| R1(Min.) | — | — | 1.6 mm |
| Axial Rating | — | 7,080 N | — |
| Basic Load Ratings : Cr | — | — | 60.8 kN |
| Dynamic Rating C1 | — | 48,400 N | — |
| Basic Load Ratings : C0R | — | — | 57.1 kN |
| Dynamic Rating C90 | — | 12,500 N | — |
| Fatigue Load Limit : Cu | — | — | 8.25 kN |
| Dynamic Axial Rating Ca90 | — | 7,080 N | — |
| Limiting Speeds(Grease Lub.) | — | — | 7000 min-1 |
| Dynamic Axial Rating Ca1 | — | 27,300 N | — |
| Limiting Speeds(Oil Lub.) | — | — | 9300 min-1 |
| Static Radial Rating C0 | — | 50,200 N | — |
| Load Center Spread : A | — | — | 13.9 mm |
| Extended Dynamic Rating Ce | — | 0 N | — |
| Constant :E | — | — | 0.33 |
| Static Axial Rating C0A | — | 48,300 N | — |
| Axial Load Factors : Y1 | — | — | 1.82 |
| Axial Load Factors : Y0 | — | — | 1.00 |
| Da | — | — | 51.0 mm |
| Db | — | — | 53.5 mm |
| Ra(Max.) | — | — | 3.6 mm |
| Rb(Max.) | — | — | 1.6 mm |
| Mass(Refer.) | — | — | 0.227 kg |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.